fact-family/add-sub-within-20/easy · 세트 34
5 problems
이름:
학급:
날짜:
1
Write the fact family for 18, 1, 19:
=
2
Write the fact family for 13, 5, 18:
=
3
Write the fact family for 13, 6, 19:
=
4
Write the fact family for 9, 7, 16:
=
5
Write the fact family for 10, 8, 18:
=